<template>
  <el-container class="home-container">
      <!-- 头部 -->
  <el-header>
      <div>
          <img src="../assets/logo.png">
          <span>电商管理后台系统</span>
      </div>
      <el-button type='info' @click='logout'>退出</el-button>
      </el-header>
  <!-- 页面主体 -->
  <el-container>
      <!-- 侧边栏 -->
    <el-aside :width="isCollapse &&'64px'||'200px'">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <!-- 侧边栏菜单区 -->
        <el-menu :default-active="$route.path" :collapse-transition="false" :collapse='isCollapse' router unique-opened
            background-color="#333744"
            text-color="#fff"
            active-text-color="#409FFF">
            <!-- 一级菜单 -->
            <el-submenu :index="item.id + ''" v-for="item in menulist" :key="item.id">
                <!-- 一级菜单模板区域 -->
                <template slot="title">
                    <!-- 图标 -->
                <i :class="iconsObj[item.id]"></i>
                <!-- 文本 -->
                <span>{{item.authName}}</span>
                </template>
                <!-- 二级菜单 -->
                <el-menu-item :index=" '/'+ subitem.path" v-for='subitem in item.children' :key = 'subitem.id'>
                    <template slot="title">
                        <!-- 图标 -->
                        <i class="el-icon-menu"></i>
                        <!-- 文本 -->
                        <span>{{subitem.authName}}</span>
                    </template>
                </el-menu-item>
            </el-submenu>
        </el-menu>
    </el-aside>
    <!-- 右侧内容主体 -->
    <el-main>
        <!-- 路由占位符 -->
        <router-view>

        </router-view>
    </el-main>
  </el-container>
</el-container>
</template>

<script>
export default {
    data(){
        return{
            // 左侧菜单数据
            menulist:[],
            iconsObj:{
                '125':'el-icon-user-solid',
                '103':'el-icon-s-grid',
                '101':'el-icon-s-goods',
                '102':'el-icon-s-order',
                '145':'el-icon-s-platform'
            },
            isCollapse: false
        }
    },
    created(){
        this.getMenuList()
    },
    methods:{
        logout(){
            window.sessionStorage.clear()
            this.$router.push('/login')
        },
        // 获取所有的菜单
        async getMenuList(){
            const {data:res}  = await this.$http.get('menus')
            if(res.meta.status !== 200) return this.$message.error(res.meta.msg)
            this.menulist = res.data
            console.log(res)
        },
        // 点击按钮，切换菜单的折叠与展开
        toggleCollapse(){
            this.isCollapse = !this.isCollapse
        }
    }
}
</script>

<style lang="less" scoped>
    .home-container{
        height: 100%;
    }
    .el-header{
        background-color: #373d41;
        display: flex;
        justify-content: space-between;
        padding-left: 0;
        align-items: center;
        color: #fff;
        font-size: 20px;
        >div{
            display: flex;
            align-items: center;
            span{
                margin-left: 15px;
            }
        }
        img{
            height: 50px;
            width: 50px;
        }
    }
    .el-aside{
        background-color: #333744;
        .el-menu{
            border-right: none;
        }
    }
    .el-main{
        background-color: #eaedf1;
    }
    .toggle-button{
        background: #4A5064;
        color: white;
        font-size: 10px;
        line-height: 24px;
        text-align: center;
        letter-spacing: .2em;
        cursor: pointer;
    }
</style>